static std::shared_ptr<RetainedFileRecord> GetRetainedFileRecord(StringSection<ResChar> filename)
{
// We should normalize to avoid problems related to
// case insensitivity and slash differences
ResolvedAssetFile assetName;
MakeAssetName(assetName, filename);
auto hash = Hash64(assetName._fn);
{
ScopedLock(RetainedRecordsLock);
auto i = LowerBound(RetainedRecords, hash);
if (i!=RetainedRecords.end() && i->first == hash) {
return i->second;
}
// we should call "AttachFileSystemMonitor" before we query for the
// file's current modification time
auto newRecord = std::make_shared<RetainedFileRecord>(assetName._fn);
RegisterFileDependency(newRecord, assetName._fn);
newRecord->_state._timeMarker = GetFileModificationTime(assetName._fn);
RetainedRecords.insert(i, std::make_pair(hash, newRecord));
return std::move(newRecord);
}
}
int main(int argc, char *argv[]) {
IMP::base::setup_from_argv(argc, argv, "Test of base caches in C++");
IMP_NEW(IMP::kernel::Model, m, ());
IMP::kernel::ParticleIndexes pis;
IMP::algebra::BoundingBox3D bb = IMP::algebra::get_unit_bounding_box_d<3>();
for (unsigned int i = 0; i < num_particles; ++i) {
pis.push_back(m->add_particle("P%1%"));
IMP::core::XYZR::setup_particle(
m, pis.back(),
IMP::algebra::Sphere3D(IMP::algebra::get_random_vector_in(bb), radius));
}
IMP_NEW(IMP::core::GridClosePairsFinder, gcpf, ());
gcpf->set_distance(.1);
IMP::base::PointerMember<IMP::core::ClosePairsFinder> mcpf =
IMP::misc::create_metric_close_pairs_finder(LowerBound(), UpperBound());
mcpf->set_distance(.1);
IMP::kernel::ParticleIndexPairs gcp = gcpf->get_close_pairs(m, pis);
canonicalize(gcp);
IMP::kernel::ParticleIndexPairs mcp = mcpf->get_close_pairs(m, pis);
canonicalize(mcp);
std::sort(gcp.begin(), gcp.end());
std::sort(mcp.begin(), mcp.end());
std::cout << "Lists are " << gcp << " and " << mcp << std::endl;
IMP::kernel::ParticleIndexPairs out;
std::set_intersection(gcp.begin(), gcp.end(), mcp.begin(), mcp.end(),
std::back_inserter(out));
IMP_TEST_EQUAL(out.size(), mcp.size());
IMP_TEST_EQUAL(out.size(), gcp.size());
return 0;
}
void Search(int step){
int i,nEstimate;
m_nSearch++;
//估计这次搜索所需要的最小交换次数
nEstimate = LowerBound(m_ReverseArray,m_nCakeCnt);
//超过最大交换次数 退出
if(step+nEstimate > m_nMaxSwap){
return;
}
//如果已经排完序 直接输出结果
if(isSorted(m_ReverseArray,m_nCakeCnt)){
if(step < m_nMaxSwap){
m_nMaxSwap = step;
int i;
for(i=0;i<m_nMaxSwap;i++){
m_SwapArray[i] = m_ReverseSwapArray[i];
}
}
return;
}
//递归进行翻转
for(i=1;i<m_nCakeCnt;i++){
Reverse(0,i);
m_ReverseSwapArray[step] = i;
Search(step+1);
Reverse(0,i);
}
}
TDBTSettingHandle CSettingsTree::_FindSetting(const uint32_t Hash, const char * Name, const uint32_t Length)
{
TSettingKey key = {0,0};
key.Hash = Hash;
iterator i = LowerBound(key);
uint16_t l;
TDBTSettingHandle res = 0;
char * str = NULL;
while ((res == 0) && (i) && (i->Hash == Hash))
{
l = Length;
if (m_Owner._ReadSettingName(m_BlockManager, i->Setting, l, str) &&
(strncmp(str, Name, Length) == 0))
{
res = i->Setting;
} else {
++i;
}
}
if (str)
free(str);
return res;
}
IAssetSet* AssetSetManager::GetSetForTypeCode(size_t typeCode)
{
auto i = LowerBound(_pimpl->_sets, typeCode);
if (i != _pimpl->_sets.end() && i->first == typeCode)
return i->second.get();
return nullptr;
}
void SharedStateSet::BeginRenderState(
const ModelRendererContext& context,
SharedRenderStateSet renderStateSetIndex) const
{
assert(_pimpl->_capturedContext == context._context);
if (_currentRenderState == renderStateSetIndex) { return; }
const Techniques::CompiledRenderStateSet* compiled = nullptr;
auto statesHash = _pimpl->_renderStateHashes[renderStateSetIndex.Value()];
auto hash = HashCombine(statesHash, _pimpl->_currentGlobalRenderState);
auto i = LowerBound(_pimpl->_compiledStates, hash);
if (i != _pimpl->_compiledStates.end() && i->first == hash) {
compiled = &i->second;
} else {
const auto& states = _pimpl->_renderStateSets[renderStateSetIndex.Value()];
auto newlyCompiled = _pimpl->_currentStateResolver->Resolve(
states, *_pimpl->_environment, context._techniqueIndex);
compiled = &_pimpl->_compiledStates.insert(
i, std::make_pair(hash, std::move(newlyCompiled)))->second;
}
assert(compiled);
if (compiled->_blendState.GetUnderlying())
context._context->Bind(compiled->_blendState);
context._context->Bind(compiled->_rasterizerState);
_currentRenderState = renderStateSetIndex;
}
void TerrainCellRenderer::ShortCircuit(
RenderCore::Metal::DeviceContext& metalContext,
ShortCircuitBridge& bridge,
uint64 cellHash, TerrainCoverageId layerId,
uint32 nodeIndex)
{
auto i = LowerBound(_renderInfos, cellHash);
if (i == _renderInfos.end() || i->first != cellHash) return;
TileSetPtrs p(*this, *i->second, layerId);
auto& sourceCell = *i->second->_sourceCell;
auto nodeInCell = GetNodeInCell(sourceCell, nodeIndex);
if (!p._tileSet || !p._tiles || nodeIndex >= p._tiles->size()) return;
const auto& tile = (*p._tiles)[nodeIndex]._tile;
if (!p._tileSet->IsValid(tile)) return;
auto upd = bridge.GetShortCircuit(cellHash, nodeInCell.first, nodeInCell.second);
if (upd._srv && upd._cellMinsInResource[0] < upd._cellMaxsInResource[0] && upd._cellMinsInResource[1] < upd._cellMaxsInResource[1]) {
// LogInfo
// << "ShortCircuit " << nodeIndex << " field:" << GetFieldIndex(sourceCell, nodeIndex)
// << " (" << nodeInCell.first[0] << "," << nodeInCell.first[1] << ") ("
// << nodeInCell.second[0] << "," << nodeInCell.second[1] << ") -- update";
ShortCircuitTileUpdate(
metalContext, tile,
(*p._tiles)[nodeIndex], layerId, GetFieldIndex(sourceCell, nodeIndex),
Float2(0.f, 0.f), Float2(1.f, 1.f), upd);
}
}
std::basic_string<utf8> RetainedEntities::GetTypeName(ObjectTypeId id) const
{
auto i = LowerBound(_registeredObjectTypes, id);
if (i != _registeredObjectTypes.end() && i->first == id) {
return i->second._name;
}
return std::basic_string<utf8>();
}
void ShortCircuitBridge::RegisterCell(uint64 cellHash, UInt2 uberMins, UInt2 uberMaxs, WriteCellsFn&& writeCells)
{
auto i = LowerBound(_cells, cellHash);
if (i != _cells.end() && i->first == cellHash)
Throw(std::logic_error("Duplicate cell registered to ShortCircuitBridge. Check for hash conflicts or overlapping cells."));
_cells.insert(i, std::make_pair(cellHash, RegisteredCell { uberMins, uberMaxs, std::move(writeCells) }));
}
void AssetSetManager::Add(size_t typeCode, std::unique_ptr<IAssetSet>&& set)
{
auto i = LowerBound(_pimpl->_sets, typeCode);
assert(i == _pimpl->_sets.end() || i->first != typeCode);
_pimpl->_sets.insert(
i,
std::make_pair(
typeCode,
std::forward<std::unique_ptr<IAssetSet>>(set)));
}
void InvalidAssetManager::MarkValid(const ResChar name[])
{
if (_pimpl->_active) {
ScopedLock(_pimpl->_assetsLock);
auto hashName = Hash64(name);
auto i = LowerBound(_pimpl->_assets, hashName);
if (i != _pimpl->_assets.end() && i->first == hashName) {
_pimpl->_assets.erase(i);
}
}
}
void InvalidAssetManager::MarkInvalid(const rstring& name, const rstring& errorString)
{
if (_pimpl->_active) {
ScopedLock(_pimpl->_assetsLock);
auto hashName = Hash64(name);
auto i = LowerBound(_pimpl->_assets, hashName);
if (i != _pimpl->_assets.end() && i->first == hashName) {
assert(i->second._name == name);
i->second._errorString = errorString;
} else {
_pimpl->_assets.insert(
i, std::make_pair(hashName, AssetRef { name, errorString }));
}
}
}
void DependencyValidation::RegisterDependency(const std::shared_ptr<Utility::OnChangeCallback>& dependency)
{
ResourceDependenciesLock.lock();
auto i = LowerBound(ResourceDependencies, (const OnChangeCallback*)dependency.get());
ResourceDependencies.insert(i, std::make_pair(dependency.get(), shared_from_this()));
ResourceDependenciesLock.unlock();
// We must hold a reference to the dependency -- otherwise it can be destroyed,
// and links to downstream assets/files might be lost
// It's a little awkward to hold it here, but it's the only way
// to make sure that it gets destroyed when "this" gets destroyed
for (unsigned c=0; c<dimof(_dependencies); ++c)
if (!_dependencies[c]) { _dependencies[c] = dependency; return; }
_dependenciesOverflow.push_back(dependency);
}
bool CSettingsTree::_DeleteSetting(const uint32_t Hash, const TDBTSettingHandle hSetting)
{
TSettingKey key = {0,0};
key.Hash = Hash;
iterator i = LowerBound(key);
while ((i) && (i->Hash == Hash) && (i->Setting != hSetting))
++i;
if ((i) && (i->Hash == Hash))
{
Delete(*i);
return true;
}
return false;
}
ShortCircuitUpdate ShortCircuitBridge::GetShortCircuit(uint64 cellHash, Float2 cellMins, Float2 cellMaxs)
{
auto l = _source.lock();
if (!l) return ShortCircuitUpdate {};
auto i = LowerBound(_cells, cellHash);
if (i != _cells.end() && i->first == cellHash) {
UInt2 uberMins(
i->second._uberMins[0] + unsigned((i->second._uberMaxs[0] - i->second._uberMins[0]) * cellMins[0]),
i->second._uberMins[1] + unsigned((i->second._uberMaxs[1] - i->second._uberMins[1]) * cellMins[1]));
UInt2 uberMaxs(
i->second._uberMins[0] + unsigned((i->second._uberMaxs[0] - i->second._uberMins[0]) * cellMaxs[0]),
i->second._uberMins[1] + unsigned((i->second._uberMaxs[1] - i->second._uberMins[1]) * cellMaxs[1]));
return l->GetShortCircuit(uberMins, uberMaxs);
}
return ShortCircuitUpdate {};
}
//---------------------------------------------------------------------------
void __fastcall TfKnapsack::btBranchAndBoundClick(TObject *Sender)
{
//如果已存在 ndHeapArray 先清除
if (ndHeapArray) {
delete[] ndHeapArray;
ndHeapArray = NULL;
}
//讀入背包限制
iBagCapacity = StrToInt(edBagCapacity->Text);
//產生 Heap 陣列
iHeapCount = 0;
ndHeapArray = new Node[iTotalNum +1];
//產生 Heap 的第一個節點
Node u, v;
u.iLevel = -1;
u.iNowProfit = 0;
u.iNowWeight = 0;
u.iUpperBound = UpperBound(u);
u.iLowerBound = LowerBound(u);
InsertHeap(u);
Item *itm;
int iNowUpper = INT_MAX;
while (iHeapCount > 0) {
u = DeleteHeap();
if (u.iLevel == iTotalNum-1)
continue;
v.iLevel = u.iLevel +1;
itm = wrItems[v.iLevel].itm;
//現在的重量加下一個 Item 的重量沒超過限重
//才去計算 UpperBound 與 LowerBound
if (u.iNowWeight + itm->iWeight <= iBagCapacity) {
//拿這個東西
v.iNowProfit = u.iNowProfit + itm->iProfit;
v.iNowWeight = u.iNowWeight + itm->iWeight;
v.iUpperBound = UpperBound(v);
v.iLowerBound = LowerBound(v);
if (v.iUpperBound > v.iLowerBound && v.iLowerBound < iNowUpper)
InsertHeap(v);
if (v.iUpperBound < iNowUpper)
iNowUpper = v.iUpperBound;
}
//不拿這個東西
v.iNowProfit = u.iNowProfit;
v.iNowWeight = u.iNowWeight;
v.iUpperBound = UpperBound(v);
v.iLowerBound = LowerBound(v);
if (v.iUpperBound > v.iLowerBound && v.iLowerBound < iNowUpper)
InsertHeap(v);
if (v.iUpperBound < iNowUpper)
iNowUpper = v.iUpperBound;
}
memSolution->Lines->Add("----------------------------------------------");
memSolution->Lines->Add("Maximum possible profit:");
memSolution->Lines->Add(-iNowUpper);
}
// 排序的主函数
//--第endBound+1 个烧饼后均以排好序，没有必要对排好序的进行交换
//--因为交换已经排好序的烧饼只能使交换次数增大
//--如果当前搜索的序列排好序则返回true，否则返回false
bool Search(int step, int endBound)
{
int i, nEstimate;
m_nSearch++;
// 估算这次搜索所需要的最小交换次数
nEstimate = LowerBound(m_ReverseCakeArray, m_nCakeCnt);
//--遇到相等情形，若对于翻转次数为m_nMaxSwap的结果已经保存，流程继续。
//--后面再遇到就可以跳过了，因为针对该翻转次数的结果已经保存，
//无需再计算
if(step + nEstimate == m_nMaxSwap && flag1 == false);
else if(step + nEstimate >= m_nMaxSwap)
return false;
//重新计算排好序的位置
int k = endBound;
while(k > 0 && k == m_ReverseCakeArray[k])
--k;
// 如果k=0,说明已经排好序，即翻转完成，输出结果
//if(IsSorted(m_ReverseCakeArray, m_nCakeCnt))
if(k == 0)
{
if(step < m_nMaxSwap)
{
//--当前找到的一个解
m_nMaxSwap = step;
for(i = 0; i < m_nMaxSwap; i++)
m_SwapArray[i] = m_ReverseCakeArraySwap[i];
}
else if(step == m_nMaxSwap && flag1 == false)
{
//--只有第一次碰到step == m_nMaxSwap时才做如下操作
//--因为m_nMaxSwap可能是最小翻转次数，因此要记录此次结果
//--后面再碰到相等时，可以忽略，因为不用重复保存结果
for(i = 0; i < m_nMaxSwap; i++)
m_SwapArray[i] = m_ReverseCakeArraySwap[i];
flag1 = true;
}
return true;
}
// 递归进行翻转,k之后已经排好序的位置就不用翻转了
std::vector<node> swapIndexScore;
//对翻转后的序列进行评估，评估它到排序好的序列之间的距离，优先搜索距离小的序列
for(i = 1; i <=k; i++)
{
struct node tnode;
tnode.index = i;
tnode.score = nEstimate;//原始序列的分数
//求翻转后的分数，翻转后只有翻转位置影响分数的大小
if(i != m_nCakeCnt - 1)
{
if(abs(m_ReverseCakeArray[i] - m_ReverseCakeArray[i+1]) == 1)
tnode.score++;
if(abs(m_ReverseCakeArray[0] - m_ReverseCakeArray[i+1]) == 1)
tnode.score--;
}
else
{
if(m_ReverseCakeArray[i] == i)tnode.score++;
if(m_ReverseCakeArray[0] == i)tnode.score--;
}
swapIndexScore.push_back(tnode);
}
//按照得分小到大排序，得分小的优先搜索
sort(swapIndexScore.begin(), swapIndexScore.end(),comp);
for(i = 0; i < swapIndexScore.size() ; i++)
{
Revert(m_ReverseCakeArray, 0, swapIndexScore[i].index);
m_ReverseCakeArraySwap[step] = swapIndexScore[i].index;
bool isDone = Search(step + 1, k);
Revert(m_ReverseCakeArray, 0, swapIndexScore[i].index);
//如果该搜索序列有序，那么其他翻转方案肯定会导致无序，因此不需要搜索
if(isDone == true)break;
}
// for(i = 1; i <=k ; i++)
// {
// Revert(m_ReverseCakeArray, 0, i);
// m_ReverseCakeArraySwap[step] = i;
// Search(step + 1, k);
// Revert(m_ReverseCakeArray, 0, i);
// }
return false;
}
//--序列评估函数，对一个序列，若到达有序状态所需的翻转次数越少，得分越少
//--若到达有序状态所需的翻转次数越多，得分越多
//--搜索时可以优先搜索得分少的序列，这样能尽快达到最优解
int Evaluate(int* pCakeArray, int nCakeCnt)
{
return LowerBound(pCakeArray, nCakeCnt);
}
//==========================================================================
int
main (int argc, char * argv[])
{
// Temporary variables
struct stat filestat;
char astring[DDSIP_ln_fname];
int status = 0, cont, boundstat, comb, i;
// guarantee minimal stacksize limit
const rlim_t kStackSize = 128 * 1024 * 1024; // min stack size = 128 MB
struct rlimit rl;
int result;
unsigned long cur_limit;
result = getrlimit(RLIMIT_STACK, &rl);
if (result == 0)
{
cur_limit = rl.rlim_cur;
printf ("original stacksize limit %lu\n", cur_limit);
if (rl.rlim_cur < kStackSize)
{
rl.rlim_cur = kStackSize;
result = setrlimit(RLIMIT_STACK, &rl);
if (result != 0)
{
fprintf(stderr, "setrlimit returned result = %d\n", result);
}
result = getrlimit(RLIMIT_STACK, &rl);
if (result == 0)
{
cur_limit = rl.rlim_cur;
printf ("changed stacksize limit %lu\n", cur_limit);
}
}
}
i = argc;
//
// Welcome
printf ("#######################################################################################\n");
printf ("######### D D S I P -- Dual Decomposition In Stochastic Integer Programming #########\n");
printf ("######### %-66s #########\n", DDSIP_version);
printf ("For copyright, license agreements, help, comments, requests, ... ");
printf ("see\n\thttp://www.uni-duisburg-essen.de/~hn215go/ddsip.shtml\n");
printf ("\thttp://www.www.github.com/RalfGollmer/ddsip\n");
/* printf (" Copyright (C) to University of Duisburg-Essen \n\n"); */
/* printf(" This program is free software; you can redistribute it and/or\n"); */
/* printf (" modify it under the terms of the GNU General Public License\n"); */
/* printf(" as published by the Free Software Foundation; either version 2\n"); */
/* printf (" of the License, or (at your option) any later version.\n\n"); */
/* printf (" This program is distributed in the hope that it will be useful,\n"); */
/* printf(" but WITHOUT ANY WARRANTY; without even the implied warranty of\n"); */
/* printf (" MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"); */
/* printf (" GNU General Public License for more details.\n\n"); */
/* printf (" You should have received a copy of the GNU General Public License\n"); */
/* printf(" along with this program; if not, write to the Free Software\n"); */
/* printf (" Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.\n"); */
/* printf ("==============================================================================\n\n"); */
// These four structures shall carry the whole problem data
DDSIP_param = NULL;
DDSIP_bb = NULL;
DDSIP_data = NULL;
DDSIP_node = NULL;
// In DDSIP some signals are handled seperatly
DDSIP_RegisterSignalHandlers ();
// Create output directory if it doesn't already exist
if (stat (DDSIP_outdir, &filestat) == -1)
{
sprintf (astring, "mkdir %s\n", DDSIP_outdir);
i = system (astring);
printf ("Creating subdirectory %s ...\n", DDSIP_outdir);
}
// remove possibly existing output file
sprintf (astring, "rm -f %s\n", DDSIP_outfname);
i = system (astring);
// Open output file
if ((DDSIP_outfile = fopen (DDSIP_outfname, "a")) == NULL)
{
fprintf (stderr, "ERROR: Cannot open '%s'. \n", DDSIP_outfname);
status = 107;
goto TERMINATE;
}
setbuf (DDSIP_outfile, 0);
fprintf (DDSIP_outfile, "%s\n", argv[0]);
fprintf (DDSIP_outfile, "-----------------------------------------------------------\n");
fprintf (DDSIP_outfile, "current system time: ");
fflush (DDSIP_outfile);
#ifndef _WIN32
i = system ("date");
// Print time to output file
sprintf (astring, "date >> %s\n", DDSIP_outfname);
i = system (astring);
fprintf (DDSIP_outfile, "host : ");
sprintf (astring, "hostname >> %s; cat /proc/cpuinfo | sed '/processor.*: 0/,/^$/!d' |grep -E 'vendor|cpu |model|stepping|MHz|cache |cores' >> %s\n", DDSIP_outfname, DDSIP_outfname);
for (i = 0; i < 100; i++)
exp(1.11*(-i-2));
i = system (astring);
#else
sprintf (astring, "date /T >> %s & time /T >> %s\n", DDSIP_outfname,DDSIP_outfname);
i = system (astring);
#endif
fprintf (DDSIP_outfile, "\nDDSIP %s\n", DDSIP_version);
fprintf (DDSIP_outfile, "-----------------------------------------------------------\n");
// Open cplex environment
DDSIP_env = CPXopenCPLEX (&status);
if (DDSIP_env == NULL)
{
fprintf (stderr, "ERROR: Failed to open cplex environment, CPLEX error code %d.\n",status);
fprintf (DDSIP_outfile, "ERROR: Failed to open cplex environment, CPLEX error code %d.\n",status);
return status;
}
sprintf (astring, "%s", CPXversion (DDSIP_env));
printf ("CPLEX version is %s\n", astring);
fprintf (DDSIP_outfile, "CPLEX version is %s\n\n", astring);
// Allocate the structures to hold the information on the problem
DDSIP_param = (para_t *) DDSIP_Alloc (sizeof (para_t), 1, "param(Main)");
DDSIP_bb = (bb_t *) DDSIP_Alloc (sizeof (bb_t), 1, "bb(Main)");
DDSIP_data = (data_t *) DDSIP_Alloc (sizeof (data_t), 1, "data(Main)");
// Read model (lp) file
if ((status = DDSIP_ReadModel ()))
goto TERMINATE;
// Read specification file
if ((status = DDSIP_ReadSpec ()))
goto TERMINATE;
// Set specified CPLEX parameters
if ((status = DDSIP_InitCpxPara ()))
goto TERMINATE;
// if a Benders annotation file is given, read it
if (DDSIP_param->annotationFile)
{
status = CPXreadcopyannotations (DDSIP_env, DDSIP_lp, DDSIP_param->annotationFile);
if ( status ) {
fprintf (stderr, "ERROR: Failed to read and copy the annotation data from file %s.\n", DDSIP_param->annotationFile);
fprintf (DDSIP_outfile, "ERROR: Failed to read and copy the annotation data from file %s.\n", DDSIP_param->annotationFile);
goto TERMINATE;
}
}
// data->cost contains: stoch. costs for all scenarios, followed by the original costs
DDSIP_data->cost =
(double *) DDSIP_Alloc (sizeof (double),
DDSIP_param->scenarios * DDSIP_param->stoccost + DDSIP_data->novar, "cost (ReadData)");
// Store original objective coefficients
status = CPXgetobj (DDSIP_env, DDSIP_lp, DDSIP_data->cost + DDSIP_param->scenarios * DDSIP_param->stoccost, 0, DDSIP_data->novar - 1);
if (status)
{
fprintf (stderr, "ERROR: Failed to get objective coefficients\n");
fprintf (DDSIP_outfile, "ERROR: Failed to get objective coefficients\n");
goto TERMINATE;
}
DDSIP_bb->moreoutfile = NULL;
if (DDSIP_param->outlev)
{
// Open debug output file
if ((DDSIP_bb->moreoutfile = fopen (DDSIP_moreoutfname, "a")) == NULL)
{
fprintf (stderr, "ERROR: Cannot open '%s'. \n", DDSIP_moreoutfname);
fprintf (DDSIP_outfile, "ERROR: Cannot open '%s'. \n", DDSIP_moreoutfname);
status = 109;
goto TERMINATE;
}
if (DDSIP_param->outlev > 10)
{
// Buffer size = 0
setbuf (stdout, 0);
if (DDSIP_param->outlev > 20)
setbuf (DDSIP_bb->moreoutfile, 0);
}
#ifndef _WIN32
// Print time to output file
sprintf (astring, "date > %s\n", DDSIP_moreoutfname);
i = system (astring);
#else
sprintf (astring, "date /T > %s & time /T >> %s\n", DDSIP_moreoutfname,DDSIP_moreoutfname);
i = system (astring);
#endif
fprintf (DDSIP_bb->moreoutfile, "--------------------------------------------------------------");
fprintf (DDSIP_bb->moreoutfile, "---------\nThis is an additional output file of DDSIP. The ");
fprintf (DDSIP_bb->moreoutfile, "actual amount of output\nis controlled by the parameter ");
fprintf (DDSIP_bb->moreoutfile, "OUTLEV in the specification file.\n---------");
fprintf (DDSIP_bb->moreoutfile, "--------------------------------------------------------------\n\n");
}
DDSIP_node = (node_t **) DDSIP_Alloc (sizeof (node_t *), DDSIP_param->nodelim + 3, "node(Main)");
DDSIP_node[0] = (node_t *) DDSIP_Alloc (sizeof (node_t), 1, "node[0](Main)");
DDSIP_node[0]->first_sol = (double **) DDSIP_Alloc (sizeof (double *), DDSIP_param->scenarios, "node[0]->first_sol(Main)");
DDSIP_node[0]->cursubsol = (double *) DDSIP_Alloc (sizeof (double), DDSIP_param->scenarios, "node[0]->cursubsol(Main)");
DDSIP_node[0]->subbound = (double *) DDSIP_Alloc (sizeof (double), DDSIP_param->scenarios, "node[0]->subbound(Main)");
if (DDSIP_param->cb)
{
DDSIP_node[0]->scenBoundsNoLag = (double *) DDSIP_Alloc (sizeof (double), DDSIP_param->scenarios, "node[0]->scenBoundsNoLag(Main)");
DDSIP_node[0]->BoundNoLag = -DDSIP_infty;
}
DDSIP_node[0]->mipstatus = (int *) DDSIP_Alloc (sizeof (int), DDSIP_param->scenarios, "node[0]->mipstatus(Main)");
DDSIP_node[0]->ref_scenobj = (double *) DDSIP_Alloc (sizeof (double), DDSIP_param->scenarios, "node[0]->ref_scenobj(Main)");
// Prepare first and second stage variables
if ((status = DDSIP_InitStages ()))
{
fprintf (stderr, "ERROR: Failed to initialize stages\n");
fprintf (DDSIP_outfile, "ERROR: Failed to initialize stages\n");
goto TERMINATE;
}
// Read data file(s)
if ((status = DDSIP_ReadData ()))
goto TERMINATE;
// Read order file if specified
if (DDSIP_param->cpxorder)
{
status = CPXsetintparam (DDSIP_env, CPX_PARAM_MIPORDIND, 1);
if (status)
{
fprintf (stderr, "ERROR: Failed to set cplex parameter CPX_PARAM_MIPORDIND.\n");
return status;
}
if (DDSIP_ReadCPLEXOrder ())
goto TERMINATE;
}
// Detect first and second stage constraints
if ((status = DDSIP_DetectStageRows ()))
{
fprintf (stderr, "ERROR: Failed detection of row stages (BbInit)\n");
fprintf (DDSIP_outfile, "ERROR: Failed detection of row stages (BbInit)\n");
goto TERMINATE;
}
DDSIP_bb->DDSIP_step = solve;
#ifdef CONIC_BUNDLE
if (DDSIP_param->cb)
{
status = DDSIP_NonAnt ();
if (status)
goto TERMINATE;
}
#endif
if (DDSIP_param->outlev)
{
printf ("\t Total initialization time: %4.2f seconds.\n", DDSIP_GetCpuTime ());
fprintf (DDSIP_bb->moreoutfile, " Total initialization time: %4.2f seconds.\n", DDSIP_GetCpuTime ());
}
#ifndef _WIN32
sprintf (astring, "grep 'MHz' /proc/cpuinfo|sort -r|head -1 >> %s\n", DDSIP_outfname);
i = system (astring);
#endif
// at the start there is no solution
status = CPXsetintparam (DDSIP_env, CPX_PARAM_ADVIND, 0);
if (status)
{
fprintf (stderr, "ERROR: Failed to set cplex parameter CPX_PARAM_ADVIND.\n");
fprintf (DDSIP_outfile, "ERROR: Failed to set cplex parameter CPX_PARAM_ADVIND.\n");
return status;
}
#ifndef NEOS
// Write deterministic equivalent (only expectation-based cases)
if (DDSIP_param->write_detequ)
DDSIP_DetEqu ();
#endif
if (DDSIP_param->riskmod < 0)
{
fprintf (stderr, " pure risk models are disabled for now, exiting.\n");
fprintf (DDSIP_outfile, " pure risk models are disabled for now, exiting.\n");
goto TERMINATE;
}
if (DDSIP_param->stoccost && DDSIP_param->riskmod)
{
fprintf (DDSIP_outfile, "XXX Error: Risk optimization not implemented for stochastic cost coefficients.\n");
fprintf (stderr, "XXX Error: Risk optimization not implemented for stochastic cost coefficients.\n");
goto TERMINATE;
}
// Read advanced starting info
if (DDSIP_param->advstart)
{
DDSIP_node[DDSIP_bb->curnode]->step = DDSIP_bb->DDSIP_step = adv;
if ((status = DDSIP_AdvStart ()))
goto TERMINATE;
// Solution provided?
if (DDSIP_param->advstart == 2)
{
DDSIP_bb->curnode = 0;
DDSIP_bb->sug[DDSIP_param->nodelim + 2] = (struct sug_l *)DDSIP_Alloc (sizeof (sug_t), 1, "sug[0](Advanced start solution)");
(DDSIP_bb->sug[DDSIP_param->nodelim + 2])->firstval =
(double *) DDSIP_Alloc (sizeof (double), DDSIP_bb->firstvar, "sug[0]->firstval(adv start)");
for (i = 0; i < (DDSIP_bb->firstvar); i++)
(DDSIP_bb->sug[DDSIP_param->nodelim + 2]->firstval)[i] = DDSIP_bb->adv_sol[i];
(DDSIP_bb->sug[DDSIP_param->nodelim + 2])->next = NULL;
if ((status = DDSIP_UpperBound (DDSIP_param->scenarios, 0)) && status < 100000)
goto TERMINATE;
}
// Only weak consistency check:
if ((DDSIP_node[0]->bound) > DDSIP_bb->bestvalue)
{
status = 121;
goto TERMINATE;
}
fprintf (DDSIP_outfile, "-----------------------------------------------------------\n\n");
}
// Solve EV and EEV if specified
if (DDSIP_param->expected)
{
DDSIP_node[DDSIP_bb->curnode]->step = DDSIP_bb->DDSIP_step = eev;
// status = 1 -> ExpValProb infeasible
if ((status = DDSIP_ExpValProb ()) == 1)
{
if (DDSIP_param->outlev)
fprintf (DDSIP_bb->moreoutfile, " exp. val. prob: INFEASIBLE\n");
fprintf (DDSIP_outfile, " exp. val. prob: INFEASIBLE\n");
}
if (!status)
{
DDSIP_bb->curnode = 0;
DDSIP_bb->sug[DDSIP_param->nodelim + 2] = (struct sug_l *)DDSIP_Alloc (sizeof (sug_t), 1, "sug[0](Advanced start solution)");
DDSIP_bb->sug[DDSIP_param->nodelim + 2]->firstval =
(double *) DDSIP_Alloc (sizeof (double), DDSIP_bb->firstvar, "sug[i]->firstval(Heuristic)");
for (i = 0; i < DDSIP_bb->firstvar; i++)
(DDSIP_bb->sug[DDSIP_param->nodelim + 2]->firstval)[i] = DDSIP_bb->adv_sol[i];
DDSIP_bb->sug[DDSIP_param->nodelim + 2]->next = NULL;
if ((status = DDSIP_UpperBound (DDSIP_param->scenarios, 0)) && status < 100000)
goto TERMINATE;
}
if (fabs (DDSIP_bb->expbest) < DDSIP_infty)
{
if (DDSIP_param->outlev)
printf ("\t\t EEV: %13.7f\n", DDSIP_bb->expbest);
fprintf (DDSIP_outfile, "-EEV: %13.7f\n", DDSIP_bb->expbest);
}
else
{
if (DDSIP_param->outlev)
printf ("\t\t EEV: No solution found.\n");
fprintf (DDSIP_outfile, "-EEV: No solution found.\n");
}
} // END if (EV)
// stop here if NODELIM is zero
if (!(DDSIP_param->nodelim))
goto TERMINATE;
// Print cplex log to debugfile
if (DDSIP_param->outlev > 51)
{
#ifdef CPLEX_12_8
if ((status = CPXsetlogfilename (DDSIP_env, DDSIP_moreoutfname, "a")))
goto TERMINATE;
#else
if ((status = CPXsetlogfile (DDSIP_env, DDSIP_bb->moreoutfile)))
goto TERMINATE;
#endif
}
// No of DDSIP iterations
DDSIP_bb->noiter = 0;
// cont = 1 if no stop criteria is fullfilled
cont = 1;
// comb tells in case of a combined heuristic, which one to apply (3 = RoundNear)
comb = 3;
if (DDSIP_param->outlev)
printf ("Starting branch-and-bound algorithm.\n");
fprintf (DDSIP_outfile, "----------------------------------------------------------------------------------------\n");
while (cont)
{
// the cuts from the root node are contained in every following node model, there is no need to check their violation
// for the scenario solutions. But the rounding heuristics could violate a cut, so keep them.
#ifdef CONIC_BUNDLE
#ifdef DEBUG
////////////////////////////////////////////
if (DDSIP_bb->curnode && DDSIP_param->outlev)
{
if((DDSIP_node[DDSIP_bb->curnode-1])->step == dual)
fprintf(DDSIP_bb->moreoutfile, "######## last node %d step=dual, leaf= %d, dualdescitcnt = %d, DDSIP_bb->cutoff= %d\n",DDSIP_bb->curnode-1,(DDSIP_node[DDSIP_bb->curnode-1])->leaf,DDSIP_bb->dualdescitcnt,DDSIP_bb->cutoff);
}
////////////////////////////////////////////
#endif
if (DDSIP_param->outlev > 20 && DDSIP_bb->curnode && DDSIP_node[DDSIP_node[DDSIP_bb->curnode]->father]->cbReturn32)
fprintf (DDSIP_bb->moreoutfile, "########## DDSIP_node[%d >father]->cbReturn32 = 1\n", DDSIP_bb->curnode);
// Dual method
if ((!DDSIP_bb->curnode || !DDSIP_node[DDSIP_node[DDSIP_bb->curnode]->father]->cbReturn32) &&
((DDSIP_param->cb > 0 && (!(DDSIP_bb->noiter % abs(DDSIP_param->cb))) && (abs(DDSIP_param->riskmod) != 4 || DDSIP_bb->noiter)) ||
(DDSIP_param->cb < 0 && (((DDSIP_node[DDSIP_bb->curnode]->depth <= DDSIP_param->cb_depth) && abs(DDSIP_param->riskmod) != 4) ||
(abs(DDSIP_param->riskmod) == 5 && DDSIP_node[DDSIP_bb->curnode]->depth == 8) ||
(DDSIP_bb->noiter > DDSIP_param->cbBreakIters &&
((!(DDSIP_bb->noiter % abs(DDSIP_param->cb))) ||
(!((DDSIP_bb->noiter+1) % -DDSIP_param->cb)) ||
(DDSIP_bb->noiter%200 > 199 - DDSIP_param->cbContinuous) ||
(DDSIP_bb->noiter < DDSIP_param->cbContinuous + DDSIP_param->cbBreakIters) ||
((DDSIP_bb->noiter >= 2*DDSIP_param->cbBreakIters) && (DDSIP_bb->noiter < DDSIP_param->cbContinuous + 2*DDSIP_param->cbBreakIters)) ||
((DDSIP_bb->cutoff > 6) &&
(((DDSIP_bb->no_reduced_front < 51) && (DDSIP_bb->noiter % -DDSIP_param->cb) < DDSIP_param->cbContinuous)
|| (((DDSIP_node[DDSIP_bb->curnode-1])->step == dual) && (DDSIP_node[DDSIP_bb->curnode-1])->leaf /*&& (DDSIP_bb->dualdescitcnt < 11)*/)
)
)
)
) ||
(abs(DDSIP_param->riskmod) != 5 && DDSIP_bb->noiter <= DDSIP_param->cbBreakIters && DDSIP_bb->noiter > DDSIP_param->cbBreakIters*.5 &&
(CBFORALL || (DDSIP_node[DDSIP_bb->curnode]->numInheritedSols > (DDSIP_Imin(DDSIP_param->scenarios/20,2)+(DDSIP_param->scenarios+1)/2))))
)
)
)
)
{
DDSIP_bb->DDSIP_step = DDSIP_node[DDSIP_bb->curnode]->step = dual;
if ((status = DDSIP_DualOpt ()))
{
if (!DDSIP_bb->curnode)
goto TERMINATE;
else
{
DDSIP_bb->skip = 1;
DDSIP_node[DDSIP_bb->curnode]->bound = DDSIP_infty;
}
}
}
else
{
DDSIP_node[DDSIP_bb->curnode]->step = DDSIP_bb->DDSIP_step = solve;
// status=1 means there was no solution found to a scenario problem
if ((status = DDSIP_LowerBound ()))
goto TERMINATE;
}
#else
DDSIP_node[DDSIP_bb->curnode]->step = DDSIP_bb->DDSIP_step = solve;
// status=1 means there was no solution found to a subproblem
if ((status = LowerBound ()))
goto TERMINATE;
#endif
if (!DDSIP_bb->skip || DDSIP_bb->skip == -1)
{
double old_bound;
int cntr, maxCntr;
DDSIP_bb->cutAdded = 0;
DDSIP_EvaluateScenarioSolutions (&comb);
cntr = 0;
if (DDSIP_node[DDSIP_bb->curnode]->step != dual)
maxCntr = DDSIP_param->numberReinits;
else
maxCntr = 0;
old_bound = DDSIP_node[DDSIP_bb->curnode]->bound;
boundstat = DDSIP_Bound ();
if (!DDSIP_bb->curnode)
{
int cnt, j;
double lhs;
cutpool_t *currentCut;
DDSIP_PrintState (DDSIP_bb->noiter);
if (DDSIP_bb->cutAdded && DDSIP_param->outlev)
{
fprintf (DDSIP_outfile, " %6d%101d cuts\n", DDSIP_bb->curnode, DDSIP_bb->cutAdded);
}
while ((DDSIP_bb->cutAdded || DDSIP_node[0]->step == dual) && cntr < maxCntr)
{
old_bound = DDSIP_node[0]->bound;
// Free the solutions from former LowerBound
for (i = 0; i < DDSIP_param->scenarios; i++)
{
if (((DDSIP_node[0])->first_sol)[i])
{
if (DDSIP_node[0]->step == solve)
{
currentCut = DDSIP_bb->cutpool;
while (currentCut)
{
lhs = 0.;
for (j = 0; j < DDSIP_bb->firstvar; j++)
{
lhs += (DDSIP_node[0])->first_sol[i][j] * currentCut->matval[j];
}
if (lhs < currentCut->rhs - 1.e-7)
{
#ifdef DEBUG
if (DDSIP_param->outlev > 50)
fprintf (DDSIP_bb->moreoutfile, "scen %d solution violates cut %d.\n", i+1, currentCut->number);
#endif
if ((cnt = (int) ((((DDSIP_node[0])->first_sol)[i])[DDSIP_bb->firstvar] - 0.9)))
for (j = i + 1; cnt && j < DDSIP_param->scenarios; j++)
{
{
if (((DDSIP_node[0])->first_sol)[j]
&& ((DDSIP_node[0])->first_sol)[i] == ((DDSIP_node[0])->first_sol)[j])
{
((DDSIP_node[0])->first_sol)[j] = NULL;
cnt--;
}
}
}
DDSIP_Free ((void **) &(((DDSIP_node[0])->first_sol)[i]));
break;
}
currentCut = currentCut->prev;
}
}
else
{
if ((cnt = (int) ((((DDSIP_node[0])->first_sol)[i])[DDSIP_bb->firstvar] - 0.9)))
for (j = i + 1; cnt && j < DDSIP_param->scenarios; j++)
{
{
if (((DDSIP_node[0])->first_sol)[j]
&& ((DDSIP_node[0])->first_sol)[i] == ((DDSIP_node[0])->first_sol)[j])
{
((DDSIP_node[0])->first_sol)[j] = NULL;
cnt--;
}
}
}
DDSIP_Free ((void **) &(((DDSIP_node[0])->first_sol)[i]));
}
}
}
DDSIP_node[0]->step = DDSIP_bb->DDSIP_step = solve;
// status=1 means there was no solution found to a scenario problem
if ((status = DDSIP_LowerBound ()))
goto TERMINATE;
DDSIP_bb->cutAdded = 0;
DDSIP_EvaluateScenarioSolutions (&comb);
cntr++;
DDSIP_bb->bestbound = DDSIP_node[0]->bound;
DDSIP_bb->noiter++;
DDSIP_PrintState (1);
if (DDSIP_bb->cutAdded && DDSIP_param->outlev)
{
fprintf (DDSIP_outfile, " %6d %82d. reinit: %8d cuts\n", 0, cntr, DDSIP_bb->cutAdded);
}
if ((DDSIP_node[0]->bound - old_bound)/(fabs(old_bound) + 1e-16) < 1.e-7 ||
(DDSIP_bb->bestvalue - DDSIP_node[0]->bound)/(fabs(DDSIP_bb->bestvalue) + 1e-16) < 0.5*DDSIP_param->relgap)
break;
}
if (DDSIP_param->deleteRedundantCuts)
DDSIP_CheckRedundancy(1);
}
else
{
// Print a line of output at the first, the last and each `ith' node
if (!DDSIP_bb->noiter || (!((DDSIP_bb->noiter + 1) % DDSIP_param->logfreq)) || (DDSIP_param->outlev && (DDSIP_node[DDSIP_bb->curnode])->step == dual))
DDSIP_PrintState (DDSIP_bb->noiter);
if (DDSIP_bb->cutAdded && DDSIP_param->outlev > 1)
{
fprintf (DDSIP_outfile, " %6d%101d cuts\n", DDSIP_bb->curnode, DDSIP_bb->cutAdded);
}
}
}
else
{
boundstat = DDSIP_Bound ();
// Print a line of output at the first, the last and each `ith' node
if (!DDSIP_bb->noiter || (!((DDSIP_bb->noiter + 1) % DDSIP_param->logfreq)) || (DDSIP_param->outlev && (DDSIP_node[DDSIP_bb->curnode])->step == dual))
DDSIP_PrintState (DDSIP_bb->noiter);
}
if (!DDSIP_bb->curnode)
DDSIP_bb->cutCntr0 = DDSIP_bb->cutNumber;
else if (DDSIP_param->alwaysBendersCuts)
{
if (DDSIP_bb->curnode == 24)
{
if (DDSIP_bb->cutCntr0 == DDSIP_bb->cutNumber)
{
if (DDSIP_param->outlev > 20)
fprintf (DDSIP_bb->moreoutfile, "### setting alwaysBendersCuts to 0\n");
DDSIP_param->alwaysBendersCuts = 0;
}
else
DDSIP_bb->cutCntr0 = DDSIP_bb->cutNumber;
}
else if (DDSIP_bb->curnode == 49)
{
if (DDSIP_bb->cutCntr0 == DDSIP_bb->cutNumber)
{
if (DDSIP_param->outlev > 20)
fprintf (DDSIP_bb->moreoutfile, "### setting alwaysBendersCuts to 0\n");
DDSIP_param->alwaysBendersCuts = 0;
}
else
DDSIP_bb->cutCntr0 = DDSIP_bb->cutNumber;
}
else if (DDSIP_bb->curnode == 99)
{
if (DDSIP_bb->cutCntr0 == DDSIP_bb->cutNumber)
{
if (DDSIP_param->outlev > 20)
fprintf (DDSIP_bb->moreoutfile, "### setting alwaysBendersCuts to 0\n");
DDSIP_param->alwaysBendersCuts = 0;
}
}
}
// DDSIP_bb->skip > 0 indicates that UpperBound calls have been skipped
// DDSIP_bb->heurval contains the objective value of the heuristic solution
// Reset to initial values
DDSIP_bb->heurval = DDSIP_infty;
DDSIP_bb->skip = 0;
cont = DDSIP_Continue (&DDSIP_bb->noiter, &boundstat);
if (!cont)
{
status = boundstat;
goto TERMINATE;
}
if ((status = DDSIP_Branch ()))
goto TERMINATE;
if (DDSIP_param->deleteRedundantCuts && !(DDSIP_bb->curnode % 10))
DDSIP_CheckRedundancy(1);
}
// Termination
TERMINATE:
DDSIP_PrintErrorMsg (status);
printf ("\nOutput files in directory `%s'.\n", DDSIP_outdir);
// Free up problem as allocated above
//
if (DDSIP_node != NULL)
{
DDSIP_FreeFrontNodes ();
for (i = 0; i < DDSIP_bb->nonode; i++)
DDSIP_Free ((void **) &(DDSIP_node[i]));
DDSIP_Free ((void **) &(DDSIP_node));
}
if (DDSIP_data != NULL)
{
DDSIP_FreeData ();
DDSIP_Free ((void **) &(DDSIP_data));
}
// Free up the problem as allocated by CPXcreateprob, if necessary
if (DDSIP_lp != NULL)
{
status = CPXfreeprob (DDSIP_env, &DDSIP_lp);
if (status)
fprintf (stderr, "ERROR: CPXfreeprob failed, error code %d\n", status);
}
// Free up the CPLEX environment
if (DDSIP_env != NULL)
{
status = CPXcloseCPLEX (&DDSIP_env);
if (status)
{
char errmsg[1024];
fprintf (stderr, "ERROR: Failed to close CPLEX environment.\n");
CPXgeterrorstring (DDSIP_env, status, errmsg);
fprintf (stderr, "%s\n", errmsg);
}
}
if (DDSIP_bb != NULL)
{
DDSIP_FreeBb ();
DDSIP_Free ((void **) &(DDSIP_bb));
}
if (DDSIP_param->outlev)
printf ("Terminating DDSIP.\n");
if (DDSIP_param != NULL)
{
DDSIP_FreeParam ();
DDSIP_Free ((void **) &(DDSIP_param));
}
fprintf (DDSIP_outfile, "Current system time: ");
#ifndef _WIN32
i = system ("date");
// Print time to output file
sprintf (astring, "date >> %s\n", DDSIP_outfname);
i = system (astring);
#else
sprintf (astring, "date /T >> %s & time /T >> %s\n", DDSIP_outfname,DDSIP_outfname);
i = system (astring);
#endif
if (DDSIP_outfile != NULL)
fclose (DDSIP_outfile);
return 0;
}
